<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          v-model:selectedKeys="selectedKeys2"
          v-model:openKeys="openKeys"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >
        <a-menu-item key="welcome">
          <MailOutlined />
          <span>欢迎</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><user-outlined />{{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <h1>欢迎使用电子书商城</h1>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter: 20, column: 3 }" :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span v-for="{ icon, text } in actions" :key="icon">
                <component :is="icon" style="margin-right: 8px" />
                {{ text }}
              </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <a :href="item.href">{{ item.name }}</a>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { UserOutlined, LaptopOutlined, NotificationOutlined } from '@ant-design/icons-vue';
import { StarOutlined, LikeOutlined, MessageOutlined } from '@ant-design/icons-vue';
import {defineComponent, ref, onMounted} from 'vue';
import axios from 'axios';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";

// const listData: Record<string, string>[] = [];
// for (let i = 0; i < 23; i++) {
//   listData.push({
//     href: 'https://www.antdv.com/',
//     title: `ant design vue part ${i}`,
//     avatar: 'https://joeschmoe.io/api/v1/random',
//     description:
//         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
//     content:
//         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
//   });
// }

export default defineComponent({
  components: {
    UserOutlined,
    LaptopOutlined,
    NotificationOutlined,
    StarOutlined,
    LikeOutlined,
    MessageOutlined

  },
  setup() {
    const ebooks = ref();
    // const ebooks1 = reactive({books:[]})
    //这里的books需要和第82行的books同样的名字，逻辑的books的数据类型是一个空数组
    //将82行的data.content的值放到books里面

    const level1 =  ref();
    let categorys: any;
    /**
     * 查询所有分类
     **/
    const handleQueryCategory = () => {
      axios.get("/category/all").then((response) => {
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数组：", categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构：", level1.value);
        } else {
          message.error(data.message);
        }
      });
    };

    const isShowWelcome = ref(true);
    let categoryId2 = 0;

    const handleQueryEbook = () => {
      axios.get("/ebook/list",{
        params:{
          page: 1,
          size: 100,
          categoryId2: categoryId2
        }
      }).then((response)=> {
        const data = response.data;
        ebooks.value = data.content.list
        // ebooks1.books = data.content
      });
    };

    const handleClick = (value: any) => {
      // console.log("menu click", value)
      if (value.key === 'welcome') {
        isShowWelcome.value = true;
      } else {
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
      // isShowWelcome.value = value.key === 'welcome';
    };

    onMounted(() => {
      handleQueryCategory();
      // handleQueryEbook();
    })

    return {
      ebooks,
      handleClick,
      level1,
      isShowWelcome,
      // ebooks2: toRef(ebooks1,"books"),
      // 定义一个变量books2，将ebooks1里的books属性变成响应式属性并且赋值给books2
      selectedKeys1: ref<string[]>(['2']),
      selectedKeys2: ref<string[]>(['1']),
      collapsed: ref<boolean>(false),
      openKeys: ref<string[]>(['sub1']),
      // listData,
      pagination : {
        onChange: (page: number) => {
          console.log(page);
        },
        pageSize: 3,
      },
      actions:  [
        { icon: StarOutlined, text: '156' },
        { icon: LikeOutlined, text: '156' },
        { icon: MessageOutlined, text: '2' },
      ],
    };
  },
});
</script>

<style scoped>
.ant-avatar{
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8%;
  margin: 5px 0;
}
</style>
